National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

A Few Clouds

23°F

-5°C

Humidity 44%
Wind Speed W 17 G 29 mph
Barometer 30.13 in (1020.1 mb)
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Wind Chill9°F (-13°C)
Last update 20 Jan 11:54 am EST
Extended Forecast for

Watertown MA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 24. West wind around 11 mph, with gusts as high as 24 mph.

    High: 24 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 11. West wind around 7 mph, with gusts as high as 22 mph.

    Low: 11 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 35. Southwest wind 5 to 9 mph.

    High: 35 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: A slight chance of snow before midnight, then a chance of rain between midnight and 4am, then a chance of snow after 4am. Mostly cloudy, with a low around 27. Southwest wind 7 to 9 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 27 °F

    Slight Chance
    Snow then
    Chance
    Rain/Snow

  • Thursday

    Thursday: A slight chance of snow before 9am. Partly sunny, with a high near 41. Southwest wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 41 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 22. West wind around 6 mph.

    Low: 22 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 29. West wind 6 to 11 mph, with gusts as high as 23 mph.

    High: 29 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 5. West wind around 9 mph.

    Low: 5 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 14. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 14 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 24. West wind around 11 mph, with gusts as high as 24 mph.
Tonight
Mostly clear, with a low around 11. West wind around 7 mph, with gusts as high as 22 mph.
Wednesday
Increasing clouds, with a high near 35. Southwest wind 5 to 9 mph.
Wednesday Night
A slight chance of snow before midnight, then a chance of rain between midnight and 4am, then a chance of snow after 4am. Mostly cloudy, with a low around 27. Southwest wind 7 to 9 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Thursday
A slight chance of snow before 9am. Partly sunny, with a high near 41. Southwest wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 22. West wind around 6 mph.
Friday
Partly sunny, with a high near 29. West wind 6 to 11 mph, with gusts as high as 23 mph.
Friday Night
Partly cloudy, with a low around 5. West wind around 9 mph.
Saturday
Mostly sunny, with a high near 14. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.
Saturday Night
A chance of snow after 4am. Mostly cloudy, with a low around 4. Northwest wind around 7 mph. Chance of precipitation is 30%.
Sunday
A chance of snow. Mostly cloudy, with a high near 17. North wind 7 to 9 mph. Chance of precipitation is 40%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 7. Northwest wind around 7 mph. Chance of precipitation is 40%.
Monday
A chance of snow. Partly sunny, with a high near 20. Northwest wind 7 to 10 mph. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Watertown MA
 42.37°N 71.16°W (Elev. 46 ft)
Last Update:
8:01 am EST Jan 20, 2026
Forecast Valid:
12pm EST Jan 20, 2026-6pm EST Jan 26, 2026
 
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Additional Resources

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Chance of Precipitation